%0 Journal Article %A W. Brownawell %A Michel Waldschmidt %T The algebraic independence of certain numbers to algebraic powers %J Acta Arithmetica %D 1977 %P 63-71 %V 32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-32-1-63-71/ %R 10.4064/aa-32-1-63-71 %G en %F 10_4064_aa_32_1_63_71